Fair Value of Financial Assets and Liabilities (Tables)

6 Months Ended

Jul. 26, 2015

Notes to financial statements [Abstract]

Financial assets measured at Fair Value

			Fair Value Measurement as of July 26, 2015 Using
			Quoted Prices  in Active Markets for Identical Assets		Significant Other Observable Inputs
	July 26, 2015		(Level 1)		(Level 2)
	(In millions)
Corporate debt securities (1)	$	1,970	$	—	$	1,970
Debt securities of U.S. government agencies (2)	893		—		893
Asset-backed securities (2)	488		—		488
Debt securities issued by U.S. Treasury (2)	385		—		385
Mortgage-backed securities issued by government-sponsored enterprises (2)	265		—		265
Foreign government bonds (2)	75		—		75
Money market funds (3)	30		30		—
Total cash equivalents and marketable securities	$	4,106	$	30	$	4,076

(1) Included $6 million in cash equivalents and $1,964 million in marketable securities on the Condensed Consolidated Balance Sheets.

(2)   Included in marketable securities on the Condensed Consolidated Balance Sheets.

(3) Included in cash equivalents on the Condensed Consolidated Balance Sheet